The baculoviruses, are a family of large rod-shaped viruses, divided into two genera: nucleopolyhedroviruses (NPV) and granuloviruses (GV). Baculoviruses have species-specific tropisms among the invertebrates with over 600 host species having been described. Moth larval is the most common hosts but sawflies, mosquitoes, and shrimp are also known hosts. The viruses are not known to replicate in...

Cypoviruses or CPV, are a genus of viruses in the Reoviridae family. The virions structure is similar to other reoviruses with a genome composed of 10 segments of double-stranded RNA. The virions are embedded in a protein matrix in order to form structures referred to as polyhedra or occlusion bodies.
Cypoviruses have only been isolated from insects. They have more in common with the widely...

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pawl

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.